many palestinians believe that arafat was poisoned by israel when he died in 2004. now, an international team of scientists will analyze tissue samples to see if they contain any traces of a radioactive substance. the actual cause of arafat's death was never determined. >>> the egyptian people taking to the streets to mourn the death of a 16-year-old activist. and to voice their opposition to president mohamed morsi and the muslim brotherhood. this ireport showing protesters as they carried the teenager's casket through tahrir square to a cemetery. moresy's edict that the supreme court cannot overturn decisions he's made since coming into office in june or over the next six months is meeting a lot of resistance. one opponent saying it can only lead to a dictatorship. morsi insists, however, that he is trying to protect egypt's fragile arab spring revolution, not accumulate unchecked power, and that it is just temporary. >> if you're traveling through the northeast today, you might be dealing with some snow. alexandra steele is in for rob marciano. a little bit chill